What is eSTEAM Sumter? eSTEAM Sumter is a family festival celebrating and bringing together enthusiasts in Science, Technology, Engineering,  Arts, and Math. The purpose is to expose festival participants to advances and opportunities in these ever-growing areas through interactive exhibits, fun filled displays and hands-on activities. The entertainment and STEAM adventure is sure to provide family fun to everyone. It brings together Educational Entities, Industries, Economic and Community Developers and STEM Organizations.